Table 4 Changes in dental arch from age 12 through 15 to age 18 years.

From: Adolescent dental arch development among Southern Chinese in Hong Kong: a geometric morphometric approach

 

Procrustes ANOVA

p-value

Pair-wise comparison

p-value

SS

MS

F

Age pair

SS

MS

F

Maxillary dental arch

1517.73

5.31

1.05

p < 0.001***

12 vs 15

632.89

4.43

3.64

p < 0.001***

15 vs 18

379.58

2.65

1.00

p = 0.06ns

12 vs 18

1264.12

8.84

6.13

p < 0.001***

Mandibular dental arch

2266.02

7.92

4.81

p < 0.001***

12 vs 15

881.95

6.17

5.67

p < 0.001***

15 vs 18

448.38

3.14

1.62

p = 0.11ns

12 vs 18

1682.99

11.77

6.51

p < 0.001***

  1. nsp > 0.05; ***p < 0.001.